consistent leader has been mitt romney, but has been unable to seal the deal. the latest challenger is in the top spot, is rick santorum. there are 400 delegates up for grabs, alaska, georgia, idaho, massachusetts, north dakota, ohio, oklahoma, tennessee, vermont, and virginia. former house speaker newt gingrich is looking for a campaign come back focusing on the south well ahead in the home state of georgia and polls show tennessee is not out of reach. texas congressman ron paul has yet to win a single state but he has picked up a handful of delegates and there is an indication he plan, no indication he plans to drop out. and there are frontrunners, rick santorum and mitt romney locked in a dead heat in ohio, a key battle ground state. the biggest provides of the day with the delegates. carl cameron is live in boston. several tight races, carl, starting with ohio. >>carl: yes. the second biggest delegate prize but the one that will be most wanted and has been incredibly scrutinized. the battle between rick santorum and mitt romney down to the wire. a week and a half ago mitt romney